1222101302331 has 32 divisors (see below), whose sum is σ = 2006061216768. Its totient is φ = 644444334720.

The previous prime is 1222101302251. The next prime is 1222101302341. The reversal of 1222101302331 is 1332031012221.

It is not a de Polignac number, because 1222101302331 - 2⁷ = 1222101302203 is a prime.

It is a super-2 number, since 2×1222101302331² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 1222101302298 and 1222101302307.

It is not an unprimeable number, because it can be changed into a prime (1222101302341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 352570 + ... + 1602656.

It is an arithmetic number, because the mean of its divisors is an integer number (62689413024).

Almost surely, 2^{1222101302331} is an apocalyptic number.

1222101302331 is a deficient number, since it is larger than the sum of its proper divisors (783959914437).

1222101302331 is a wasteful number, since it uses less digits than its factorization.

1222101302331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1253691.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 1222101302331 its reverse (1332031012221), we get a palindrome (2554132314552).

The spelling of 1222101302331 in words is "one trillion, two hundred twenty-two billion, one hundred one million, three hundred two thousand, three hundred thirty-one".